Abstract
SrSnO3 was synthesized by the polymeric precursor method with elimination of carbon in oxygen atmosphere at 250 °C for 24 h. The powder precursors were characterized by TG/DTA and high temperature X-ray diffraction (HTXRD). After calcination at 500, 600 and 700 °C for 2 h, samples were evaluated by X-ray diffraction (XRD), infrared spectroscopy (IR) and Rietveld refinement of the XRD patterns for samples calcined at 900, 1,000 and 1,100 °C. During thermal treatment of the powder precursor ester combustion was followed by carbonate decomposition and perovskite crystallization. No phase transition was observed as usually presented in literature for SrSnO3 that had only a rearrangement of SnO6 polyhedra.
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The authors acknowledge CAPES and CNPq/MCT, PROINFRA/FINEP and CEPID/FAPESP for the financial support.
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Alves, M.C.F., Souza, S.C., Silva, M.R.S. et al. Thermal analysis applied in the crystallization study of SrSnO3 . J Therm Anal Calorim 97, 179–183 (2009). https://doi.org/10.1007/s10973-009-0242-x
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DOI: https://doi.org/10.1007/s10973-009-0242-x